Hey guys/gals,new here. I recently purchased a 2018 Stelvio Ti sport and was wanting to add a powered sub to enhance the base stereo system. I joined this forum hoping that I could find where someone has already gone through the process & as well had best place to tap/wire color details. Unfortunately I found nothing. So I have got the installation complete and thought I’d share my process & hope it will help someone else in need. I first started with tapping the rear door speakers, very easy to hide the wire and keep it clean. Tap each side L- orange/orange-blk stripe twisted together,,,R-green/green blk stripe,, picture includes of where I tapped to keep it clean. Returned first sub, thought it was blown till I got a second and had same problem, sounded blown and would cut out on protect mode. Do yourself a favor and purchase a LOC converter, it worked great after installing this product. It’s almost as the rear styrofoam area was meant for this sub, fit beautiful with a few modifications (drill holes for wires). While I had rear left panel off tapping remote turn on wire to 12v plug I noticed there is a spot for 3.5” speakers, so ran wire for those and have Rockford Fosgate on order. I also hooked up some basic tweeters inside that panel for a bit extra from rear. I may have left something out but hope the pictures or the proper colored wires will help someone in there attempt. Good luck
Troy810washere
Adding powered sub to base system:)
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Hey guys/gals,new here. I recently purchased a 2018 Stelvio Ti sport and was wanting to add a powered sub to enhance the base stereo system. I joined this forum hoping that I could find where someone has already gone through the process & as well had best place to tap/wire color details. Unfortunately I found nothing. So I have got the installation complete and thought I’d share my process & hope it will help someone else in need. I first started with tapping the rear door speakers, very easy to hide the wire and keep it clean. Tap each side L- orange/orange-blk stripe twisted together,,,R-green/green blk stripe,, picture includes of where I tapped to keep it clean. Returned first sub, thought it was blown till I got a second and had same problem, sounded blown and would cut out on protect mode. Do yourself a favor and purchase a LOC converter, it worked great after installing this product. It’s almost as the rear styrofoam area was meant for this sub, fit beautiful with a few modifications (drill holes for wires). While I had rear left panel off tapping remote turn on wire to 12v plug I noticed there is a spot for 3.5” speakers, so ran wire for those and have Rockford Fosgate on order. I also hooked up some basic tweeters inside that panel for a bit extra from rear. I may have left something out but hope the pictures or the proper colored wires will help someone in there attempt. Good luck
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I'm attempting this same install on a 2022 Stelvio. It's been a bit since this post, but just in case: I'm totally stuck on how to run the wires from the tap-in point at the door pillar to the trunk. They seem to run inside the body somehow, but I've been poking around and removing panels for a few hours and I can't find the path. Any help would be greatly appreciated!
Thanks, great idea to take signals there, in my previous Giulia it was a paint in ass to pull them from central infotainment unit back to amplifier, because door sill plastics were impossible to dissmantle without damage. If its not too late, since it is pre-corona post, when tapping signals from the B-pillar, you pulled signal wires inside the cabin without dissmantling door sills and B-pillar bottoms?
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